2138530863

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{3359}}^1$

素因数の和:3508

約数の個数: 48

約数和(自身を含む): 3419781120

約数和(自身を除く): 1281250257

約数列:

[1, 3, 7, 21, 49, 61, 71, 147, 183, 213, 427, 497, 1281, 1491, 2989, 3359, 3479, 4331, 8967, 10077, 10437, 12993, 23513, 30317, 70539, 90951, 164591, 204899, 212219, 238489, 493773, 614697, 636657, 715467, 1434293, 1669423, 4302879, 5008269, 10040051, 11685961, 14547829, 30120153, 35057883, 43643487, 101834803, 305504409, 712843621, 2138530863]

約数ペア:

[(1, 2138530863), (3, 712843621), (7, 305504409), (21, 101834803), (49, 43643487), (61, 35057883), (71, 30120153), (147, 14547829), (183, 11685961), (213, 10040051), (427, 5008269), (497, 4302879), (1281, 1669423), (1491, 1434293), (2989, 715467), (3359, 636657), (3479, 614697), (4331, 493773), (8967, 238489), (10077, 212219), (10437, 204899), (12993, 164591), (23513, 90951), (30317, 70539)]